supported by the National Natural Science Foundation of China (20821002 and 20972176);the Chinese Academy of Sciences, the National Basic Research Program of China (2010CB833300),the Science and Technology Commission of Shanghai Municipality,and Merck Research Laboratories
A new type of chiral bisoxazoline ligands 1 based on spiro[4,4]-1,6-nonadiene backbone was easily prepared in six steps from racemic spiro[4,4]-nonane-1,6-dione,with the Pd-catalyzed coupling of the enol triflates wit...
supported by Shanghai Municipal Committee of Science and Technology (06XD14005 and 08dj1400100-2);National Basic Research Program of China (2009CB825300);the National Natural Science Foundation of China (20872162, 20672127, 20821002 and 20732008)
In the past decade, the asymmetric Morita-Baylis-Hillman (MBH)/aza-Morita-Baylis-Hillman (aza-MBH) reaction has attracted great attention because it leads to the formation of densely functionalized products in a catal...
supported by the National Natural Science Foundation of China (20732006 and 20821002)
Asymmetric intramolecular oxa-Michael addition of activated α,β-unsaturated ketones by chiral N-triflyl phosphoramide was realized. The flavanone products can be synthesized with excellent yields (50%–95%) and up t...